First off, keep a watch on the weather - 7 day forecast
Also, keep an eye on the - alert and conditions webpage and it's updated backcountry roads map.
Many of the roads have been opened since the summer floods such as North Death Valley Road out to Eureka Dunes and on to Big Pine. Racetrack Road is open to Homestake and Lippencott is open to Saline Valley but Saline Valley Road south from Bat Road is signed closed by Inyo County. North Pass is open to Saline Warm Springs but can and will be impacted by snow. Warm Springs Road is open to Panamint Valley and Goler Canyon. Cottonwood and Marble Canyon roads are open but you now need to pick up a permit in person to overnight camp at one of the designated campsites. The same with Echo Canyon, Hole in the Wall, and Greenwater Valley roads.